Search Results
Results 301 - 350 of 1016
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Eicken A - - 2004
Patients after arterial switch operation for transposition of the great arteries are at risk for coronary artery stenosis or obstruction due to intraoperative manipulation. This case describes an infant with impaired left ventricular function 8 months after arterial switch operation. A hemodynamically significant left coronary artery stenosis was excluded by ...
Aeba Ryo - - 2003
BACKGROUND: In conventional repair of the congenitally corrected transpositions of the great arteries associated with ventricular septal defect and pulmonary outflow tract obstruction, the placement of the left ventricle-pulmonary artery conduit is at risk owing to probable compression by the sternum, heart block, or injury to the mitral anterior papillary ...
Masuda Zen-ichi - - 2003
Two separate origins of coronary arteries from a single aortic sinus remains a rare but significant congenital anomaly for surgical repair. We experienced a case of a newborn with complete transposition of the great arteries with unusual coronary arteries with two separate ostia positioned close to each other in the ...
Lalezari Shirin - - 2003
OBJECTIVE: Transposition of the great arteries is currently treated by performing the arterial switch operation. Dilatation of the neoaortic root is a late complication with unknown cause. Samples of patients with untreated transposition of the great arteries and patients with normally related great arteries were compared to investigate a possible ...
Dyer Karrie - - 2003
Congenitally corrected transposition of the great arteries is a relatively rare cardiac malformation characterized by atrioventricular and ventriculoarterial discordance. This double discordance results in a physiologically corrected circulation with the morphologic right ventricle (RV) serving as the systemic pump. Associated anomalies are present in approximately 98% of cases and include ...
Hraska Viktor - - 2003
A new technique for hemi-Fontan procedure for single ventricle type of physiology is suggested. In addition to the standard bidirectional cavopulmonary anastomosis, this approach includes creation of a blind anastomosis between the opened roof of the right atrium and right pulmonary artery. This new technique simplifies completion of the lateral ...
Gorenflo M - - 2003
BACKGROUND: Patients with transposition of the great arteries who underwent an atrial repair in infancy are likely to develop right ventricular dysfunction later in life. For these patients a two-stage arterial switch operation has been advocated by some groups but mortality even from the initial pulmonary banding procedure for retraining ...
Abduch M C D - - 2003
The prevalence of congenital cardiac disease in cats varies from 0.2 to 1 per cent, with males being more affected than females. This is probably an underestimate due to the fact that not all affected kittens are presented. Discordant atrioventricular connection (where the morphological right atrium connects to the morphological ...
Williams William G - - 2003
OBJECTIVE: Between 1985 and 1989, the surgical management of neonates with complete transposition (TGA) underwent a transition from atrial to arterial repair. We sought to examine the intermediate outcomes and their associated risk factors in neonates repaired during the era of transition. PATIENTS AND METHODS: Twenty-four institutions entered 829 neonates ...
González-Iriarte M - - 2003
Transposition of great arteries in humans is associated with a wide spectrum of coronary artery patterns. However, no information is available about how this pattern diversity develops. We have studied the development of the coronary arteries in mouse embryos with a targeted mutation of perlecan, a mutation that leads to ...
Köksal Nilgün - - 2003
Neurocutaneous melanosis (NCM) is rare and is characterized by the proliferation of melanocytes in the central nervous system. A 6-day-old infant boy was referred to our department with giant congenital melanocytic nevi and convulsions. On physical examination the patient had a giant black-brown pigmented nevus covering his face, neck, scalp, ...
Langley Stephen M - - 2003
OBJECTIVE: This study was undertaken to determine the outcomes of patients with congenitally corrected transposition of the great arteries after restoration of the morphologically left ventricle to the systemic circulation. METHODS: Between November 1991 and June 2001, a total of 54 patients (median age 3.2 years, range 7 weeks-40 years) ...
Pepas Litha P - - 2003
OBJECTIVE: To document the echocardiographic features of tetralogy of Fallot during fetal and postnatal life. Correlation of echocardiographic findings with the requirement for early intervention prior to definitive repair. DESIGN: Retrospective observational study. SETTING: A tertiary fetal cardiology unit. PATIENTS: Fetuses with a diagnosis of tetralogy of Fallot identified from ...
Davies Nigel P - - 2003
To date, most perfusion magnetic resonance imaging (MRI) methods using arterial spin labeling (ASL) have employed slab-selective inversion pulses or continuous labeling within a plane in order to obtain maps derived from all major blood vessels entering the brain. However, there is great potential for gaining additional information on the ...
Yamagishi Masaaki - - 2003
BACKGROUND: The success of arterial switch operations for transposition of the great arteries largely depends on faultless coronary translocation and subsequent sufficient myocardial perfusion. However, in patients with complex coronary artery anatomy, coronary translocation is often difficult to perform by conventional surgical techniques alone. Therefore we developed the "bay window" ...
Wong Jason - - 2003
A 13-year-old girl with surgically corrected complete transposition of the great arteries died suddenly while walking to school. Postmortem examination revealed endodermal heterotopia of the atrioventricular node, a condition not previously associated with transposition of the great arteries. New immunohistochemical observations are described, and the embryogenesis of the condition and ...
Ch'ng Julie - - 2003
Staphylococcus aureus is a leading cause of septicaemia and infective endocarditis. The overall incidence of staphylococcal bacteraemia is increasing, contributing to 16% of all hospital-acquired bacteraemias. The use of cardiac pacemakers has revolutionized the management of rhythm disturbances, yet this has also resulted in a group of patients at risk ...
Kobashi Ayaka - - 2003
Congenitally corrected transposition of the great arteries (CCTGA) is a rare congenital heart disease characterized by atrioventricular (AV) and ventriculo-arterial discordance;(1) that is, the left ventricle supports the pulmonary circulation and the right ventricle supports the systemic circulation. The most common cardiac anomalies in CCTGA include ventricular septal defect, pulmonary ...
Webb Sandra - - 2003
The developmental anatomy of the ventricular outlets and intrapericardial arterial trunks is a source of considerable confusion. First, major problems exist because of the multiple names and definitions used to describe this region of the heart as it develops. Second, there is no agreement on the boundaries of the described ...
Devaney Eric J - - 2003
OBJECTIVE: Late results after traditional methods of repair of congenitally corrected transposition of the great arteries are poor. The combined arterial switch and Senning (double switch) operation may improve outcomes by using the morphologically left ventricle and mitral valve in the systemic circulation. In this report we review patient selection ...
Ando Makoto - - 2003
A Senning plus Rastelli operation was performed in a patient who had a rare combination of congenitally corrected transposition of the great arteries (S,L,L) with dextrocardia, major aortopulmonary collaterals, and diminutive central pulmonary arteries with arborization defects. The patient required four preparatory operations including bilateral unifocalizations of the aortopulmonary artery ...
Hövels-Gürich Hedwig H - - 2003
BACKGROUND: The purpose of this study was to assess cardiac and general health status 8 to 14 years after neonatal arterial switch operation for transposition of the great arteries. METHODS: Sixty unselected children with intact ventricular septum (78.3%) or ventricular septal defect (21.7%) without or with aortic isthmic stenosis (5.1%) ...
Corno Antonio E - - 2003
OBJECTIVE: To evaluate the feasibility of the arterial switch for surgical repair of transposition, defined as the combination of concordant atrioventricular and discordant ventriculo-arterial connections, after late referral. METHODS: From March 2000 to August 2001, six children underwent an arterial switch procedure following left ventricular preparation because of late referral. ...
Chiu Ing-Sh - - 2003
BACKGROUND: The objective of this study was to analyze coronary arteries (CA) in congenitally corrected transposition (CCT) and to determine the influence of aortopulmonary rotation on its pattern systematically. Precise CA anatomy is surgically needed in the current era of double switch for CCT. METHODS: We collected data on 62 ...
Mavroudis Constantine - - 2003
When biventricular repair of congenitally corrected transposition of the great arteries (ccTGA) is possible, complete anatomic (left ventricle to the aorta, right ventricle to the pulmonary artery, and associated atrial baffle operation) or physiologic (left ventricle to pulmonary artery, right ventricle to aorta) connections are complex and associated with significant ...
Wu Qingyu - - 2003
BACKGROUND: Double outlet right ventricle with L-malposition of the great arteries is a rare type of double outlet right ventricle. This article reviews our experience in treating this disease surgically. METHODS: Between September 1995 and May 1999, 9 patients with double outlet right ventricle [S, D, L] underwent modified Rastelli ...
Alehan Dursun - - 2003
Double outlet left ventricle (DOLV) is a rare congenital cardiac malformation in which both the pulmonary artery and the aorta arise exclusively or predominantly from the morphologic left ventricle. We describe a case of DOLV with situs solitus, d-loop ventricles, d-malposition of the great arteries (S, D, D), severe pulmonary ...
Devaney Eric J - - 2003
Congenitally corrected transposition of the great arteries (ccTGA) is a rare defect characterized by discordant atrioventricular and ventriculoarterial connections. Symptoms result from one or a combination of associated cardiovascular malformations, including ventricular septal defect, pulmonary stenosis or atresia, and tricuspid valve dysfunction. Survival of patients with ccTGA is often determined ...
Prifti Edvin - - 2002
OBJECTIVES: The aims of this report were to study the early and late outcome in terms of mortality, freedom from reoperation, predictors for late pulmonary stenosis (PAS) and insufficiency of the neo-aortic valve (AVI) in patients with transposition of the great arteries (TGA) undergoing arterial switch operation (ASO). MATERIALS AND ...
Ismat Fraz A - - 2002
BACKGROUND: The advent of double switch procedures for the treatment of transposition of the great arteries with L-looped ventricles, e.g. typical congenitally corrected transposition of the great arteries, has made delineation of the coronary artery anatomy in these hearts important. Previous studies have suggested a consistently inverted coronary arterial pattern. ...
Ermis Cengiz - - 2002
We report findings in a patient with 1-transposition of great arteries with single ventricle and classic Fontan procedure who required both His bundle ablation for palliation of refractory atrial tachycardia and placement of a transvenous dual-chamber atrio-ventricular permanent pacemaker for hemodynamic support. A method for retrograde trans-aortic His bundle ablation ...
Király László - - 2002
AIM: To analyze the causes and role of right ventricle failure in the morbidity and mortality after arterial switch operation for transposition of the great arteries in neonates. METHOD: Between January 1999 and December 2001, 62 neonates underwent arterial switch operation. The simple transposition group was comprised of 39 patients ...
Simsic Janet M - - 2002
We present the case of a newborn male with D-transposition of the great arteries, ventricular septal defect, and subpulmonary stenosis who experienced two episodes of systemic-to-pulmonary artery shunt thrombosis. Hematologic evaluation revealed heterozygous factor V Leiden mutation. This report emphasizes the importance of evaluation for inherited coagulation disorders in pediatric ...
Sharma Rajesh - - 2002
BACKGROUND: The conventional treatment of transposition of great arteries with prepared left ventricle is an arterial switch operation. This, in our experience, does not hold for patients with transposition of great arteries with intact ventricular septum where the left ventricle continues to be prepared secondary to severe pulmonary arterial hypertension ...
Woodson K E - - 2003
An arterial switch is the corrective procedure of choice for d-transposition of the great arteries but may be associated with increased morbidity and mortality when performed in low-birth-weight infants. Conversely, delaying surgery often leads to left ventricular "deconditioning" as pulmonary arteriolar resistance decreases. We present an infant with a birth ...
Himeno W - - 2003
Enlarged bronchial arteries are associated in some patients with transposition of the great arteries and intact ventricular septum. The etiology of these enlarged bronchial arteries is not yet known. In this report, we describe a case of TGA/IVS in which enlarged bronchial arteries were demonstrated from the prenatal period. The ...
Giamberti Alessandro - - 2002
Right ventricular dysfunction and tricuspid valve incompetence after atrial repair for transposition of the great arteries is an increasingly frequent problem. Left ventricular retraining to convert an atrial switch to an arterial switch is a well-known surgical option but can require a multiple-stage surgical approach. We report our successful multiple-stage ...
Hutter P A - - 2002
OBJECTIVE: The arterial switch operation was introduced in 1976 to correct transposition of the great arteries and has since replaced atrial palliation. This study examines the long-term outcomes of the arterial switch operation. METHODS: Included in the study were 195 patients who underwent the arterial switch operation from 1977 through ...
Al Qethamy Howaida O - - 2002
Results of the two-stage arterial switch operation in 49 patients with transposition of the great arteries, performed between January 1995 and September 2000, were reviewed retrospectively. Twenty-one patients had a ventricular septal defect. Anatomical correction was carried out 21.89 +/- 9.86 months after pulmonary artery banding, with or without a ...
Jouannic J-M - - 2002
OBJECTIVE: A previous anthropometric study has shown that neonates with transposition of the great arteries have a smaller head circumference and intracranial volume, which may be related to a lower oxygen content of blood delivered to the head and upper extremities. The aim of this study was to compare Doppler ...
Shigeno Taku - - 2002
Recurrence of trigeminal neuralgia (TN) or hemifacial spasm (HFS) after microvascular decompression (MVD) is not rare. The prosthesis material eventually adheres to the neurovascular structures and again transmits arterial pulsation to the nerve. A snare ligature technique using a Gore-Tex tape can be used for the transposition of the offending ...
Inoue Masahiro - - 2002
A 16-year-old girl presented with dyspnea 15 years after the Mustard operation for transposition of the great arteries with intact ventricular septum. An echocardiogram revealed secondary pulmonary hypertension due to pulmonary venous obstruction. Cardiac catheterization showed the left (pulmonary) ventricular pressure was over the systemic level. We performed a successful ...
Takayama Hiroo - - 2002
We report 2 cases of aortopulmonary window that developed after balloon angioplasty for pulmonary artery stenosis. Both patients had undergone arterial switch operations for complete transposition of the great arteries before the angioplasty. These aortopulmonary windows were repaired through elective operations. The clinical features, diagnosis, management, and proposed mechanisms of ...
Faidutti Bernard - - 2002
BACKGROUND: Complete correction of tetralogy of Fallot has good long-term results. Right ventricular outflow tract obstruction and pulmonary insufficiency occur which require reintervention. The present study evaluated the efficacy of reoperation following complete correction of tetralogy of Fallot, the sites of recurrences and impact of techniques used at first operation. ...
Chowdhury Ujjwal K - - 2002
A 5-year-old boy with stenosed left pulmonary artery following total correction of tetralogy of Fallot underwent surgical pulmonary arterioplasty through a left anterolateral thoracotomy on a normothermic perfused heart under cardiopulmonary bypass. We found this to be a convenient approach, and recommend it for correction of this lesion in the ...
Morita K - - 2001
OBJECTIVE: In anatomically corrected malposition of the great arteries, dextroposition of the posterior pulmonary artery and levoposition of the anterior aorta are associated with the leftward deviation of the proximal portion of the right coronary artery away from the right atrioventricular groove. This anatomic feature allows a transannular subpulmonary patch ...
Topor B - - 2001
Surgeons' opinions differ regarding the role of the omentum in low pelvic intestinal anastomoses. This study was undertaken to define the anatomy and surgical technique of omental transposition to the pelvis. We studied 45 cadavers to elucidate surgical aspects of omental mobilization, lengthening, and transposition into the pelvic cavity. In ...
Qayyum S R - - 2001
There is no agreement, in the chick, about the number of the endocardial cushions within the outflow tract or their pattern of fusion. Also, little is known of their relative contributions to the formation of the arterial valves, the subpulmonary infundibulum, and the arterial valvar sinuses. As the chick heart ...
Pisacane C - - 2001
We assessed the feasibility of transthoracic three-dimensional reconstruction of the pulmonary valve and subpulmonary left ventricular outflow tract in two patients with transposition of great arteries, ventricular septal defect, and obstruction to the left ventricular outflow tract. Three-dimensional reconstruction of the pulmonary valve could be displayed as "en face" through ...
Buckberg G D - - 2001
The unfolded myocardial band containing a central fold, extending between the pulmonary artery and aorta, has been used to explain the intact or wrapped cardiac structure, composed of a basal and apical loop forming a buttress and helix, connected to the outflow vessels of both ventricles. The interface between this ...
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